The perforated fiber cement board for sound absorption of Sino ocean Willis is a new type of indoor sound-absorbing board product formed by using high-quality cement board as the base plate and professional punching equipment. It has excellent sound-absorbing function in terms of the excellent characteristics of calcium silicate board / fiber cement board. It is designed for places with both acoustic requirements and fire performance as well as aesthetic requirements.

The perforated sound-absorbing plate has a variety of hole layout styles and apertures. The size of each hole and the distance between holes are processed after precise calculation. The precise perforated design makes the sound-absorbing board have good sound-absorbing performance from low frequency to medium frequency. For high frequency, a layer of sound-absorbing materials such as rock wool or glass wool can be pasted on the back of the perforated fiber cement board. The product can be used in ceiling, wall and other building parts